发明名称 |
Steel bar for concrete constructions. |
摘要 |
<p>The invention refers to a deformed steel bar (32, 33, 40, 50) for concrete constructions. To improve the adhesion between the steel bar and the concrete the steel bar has a longitudinal sectional profile which varies alternately and smoothly with a peak (a1, 3A, 51) and a valley (a2, 52) in the axial direction thereof.</p> |
申请公布号 |
EP0244758(A2) |
申请公布日期 |
1987.11.11 |
申请号 |
EP19870106261 |
申请日期 |
1987.04.29 |
申请人 |
SUMITOMO ELECTRIC INDUSTRIES LIMITED;ELSPAN INTERNATIONAL LIMITED |
发明人 |
YAMADA, MASATO;USUI, SUSUMU;ELLEN, PETER EDGINTON |
分类号 |
E04C5/03;(IPC1-7):E04C5/03 |
主分类号 |
E04C5/03 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|